Message-ID: <3E722F91.6070506@joeconway.com>
Date: Fri, 14 Mar 2003 11:37:53 -0800
From: Joe Conway <mail@joeconway.com>
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To: Susan Hoddinott <susan@hexworx.com>
Cc: a.schmitz@cityweb.de, pgsql-sql@postgresql.org
Subject: Re: Create function statement with insert statement
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Susan Hoddinott wrote:
> Hi Andrea,
> 
> That was my first attempt (i.e. using opaque) but unfortunately when I use
> "opaque" it tells me that SQL functions cannot return opaque.  The parse
> error is also occurring on the create function statement prior to any
> knowledge that the function is being used for a trigger.
> 

I haven't followed this thread too closely, but if you are trying to use 
a SQL function for a trigger, it won't work. From the docs:
(http://www.us.postgresql.org/users-lounge/docs/7.3/postgres/triggers.html)

   "Trigger functions can be written in C and most procedural languages,
    but not in SQL"

Try re-writing your function in PL/pgSQL. BTW, I think I saw from your 
other post that you don't have PL/pgSQL installed in the database you 
are using. See the createlang program or CREATE LANGUAGE statement:
http://www.us.postgresql.org/users-lounge/docs/7.3/postgres/app-createlang.html
http://www.us.postgresql.org/users-lounge/docs/7.3/postgres/sql-createlanguage.html

HTH,

Joe